CVE-2011-1431 Other in n/a
Man-in-the-middle attackers can inject cleartext commands into encrypted SMTP sessions due to improper I/O buffering in the qmail-smtpd TLS implementation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2011-1431?
CVE-2011-1431 is a medium-severity vulnerability in n/a, published on 16 Mar 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The STARTTLS implementation in qmail-smtpd.c in qmail-smtpd in the netqmail-1.06-tls patch for netqmail 1.06 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack, a similar issue to CVE-2011-0411.
Which versions are affected by CVE-2011-1431?
It affects 1 product.
Products include Frederik Vermeulen Netqmail.
How do I fix CVE-2011-1431?
No fix has been published for CVE-2011-1431 yet. Limit exposure of the affected software until one is available.
Is CVE-2011-1431 being exploited?
There is no known exploitation of CVE-2011-1431 in the wild and no public exploit code.
Sources
Also known as GHSA-c4mq-4wp5-9pxq.